Dual wall mug for retaining coffee or tea



FIG. 1 is a bottom perspective view showing my new design for the dualwall mug for retaining coffee or tea;

FIG. 2 is a top perspective view thereof;

FIG. 3 is front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

CLAIM The ornamental design for a dual wall mug for retaining coffee ortea, as shown and described.